222
3.20.2 LED indication priority
This section describes a priority for error messages stored in the LED display data (SD220 to SD227) in case of an
error.
(1) Displayed error messages and their priorities
In case of multiple errors, the error messages are displayed with the following conditions.
• A stop error is always set to the LED display data (SD220 to SD227).
• An operation continuation error is displayed according to the priority cause number described in this section.
Whether to indicate an error according to its priority using LED can be selected. (Set the priority using
special registers, SD207 to SD209.)
• When errors having the same priority occur simultaneously, the error detected first is displayed.
The priority is determined with the special registers SD207 to SD209 as follows.
Priority 4
Priority 3
Factor number setting area
Priority 2 Priority 1
Priority 8
Priority 7
Priority 6
Priority 5
Priority 10
Priority 9
Factor number setting area
Factor number setting area
Default value of factor number
Ignored
SD207
15
SD208
SD209
12 11 8 7
4
3
0 bits
SD207
SD208
SD209
to
to
to
to
15
to
0 bits
3
2
4
1
8
7
6
5
0
0
A
9
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